Samsung Notebook Plus2 NP550XDA-KH4BR (max upgrad 2x32GB). Samsung Notebook Plus2 NP550XDA-KT4BR (max upgrad 2x32GB). Samsung Notebook Plus2 NP550XDA-KA1HK (max upgrad 2x32GB). Samsung Notebook Plus2 NP550XDA-KO1BR (max upgrad 2x32GB).
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